Theoria

Walk the royal road
of the Fathers

A living library of the Church Fathers. Beautiful to read and faithful in translation.

From the treasury of the Fathers

“The glory of God is a human being fully alive, and the life of a human being consists in beholding God.”

St. Irenaeus of Lyon—Against Heresies, c. 180 AD

“Late have I loved Thee, O Beauty so ancient and so new, late have I loved Thee!”

St. Augustine of Hippo—Confessions, c. 397 AD

“Prayer is the raising of one's mind and heart to God or the requesting of good things from God.”

St. John of Damascus—An Exact Exposition of the Orthodox Faith, c. 743 AD
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What awaits within

Deep library

Hundreds of patristic texts from the Apostolic Fathers through the great Councils. Typeset for deep, focused reading.

New translations

New translations made for Theoria, from the original Greek and Latin.

Research tool

Ask questions across the entire corpus. Get cited answers drawn directly from the Fathers, not summaries of summaries.

The wisdom of twenty centuries,
waiting to be read.

Theoria for iPhone and Android

The library, in your pocket

Read, listen, and ask the Fathers.

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